Factor 26r3s + 52r5 – 39r2s4. what is the resulting expression?
13(2r3s + 4r5 – 3r2s4)
13r2s(2r + 4r3 – 3s3)
13r2(2rs + 4r3 – 3s4)
13r2(26r3s + 52r5 – 39r2s4)

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

X2 + y 2 = 36 x + y = 6 solve the system of equations.